Index References - 23 Nov 2021
Zone where buy trades for the day can be looked at are 17280 - 17317. No supply zone, if there is a bullish formation around that level, can be looked for a long trade with risk management and SL in place.
Upside references are the pullbacks from yesterday's trade which are likely to act as resistance.
Similar logic for BN as well, references marked on the chart below.
Disclaimer - Educational post only, consult with your financial advisor before taking a position.